Exemple #1
0
/** Initialize the tokenizer. */
void vtkParse_InitTokenizer(
  StringTokenizer *tokens, const char *text, parse_space_t wstype)
{
  tokens->tok = 0;
  tokens->hash = 0;
  tokens->text = text;
  tokens->len = 0;
  tokens->ws = wstype;
  vtkParse_NextToken(tokens);
}
Exemple #2
0
/* Write code for execution after the method parameters are evaluated */
static void vtkWrapPython_SubstituteCode(
  FILE *fp, ClassInfo *data, FunctionInfo *func, const char *code)
{
  StringTokenizer t;
  int qualified = 0;
  int matched;
  int j;

  /* tokenize the code according to C/C++ rules */
  vtkParse_InitTokenizer(&t, code, WS_DEFAULT);
  do
  {
    /* check whether we have found an unqualified identifier */
    matched = 0;
    if ((t.tok == TOK_ID || t.tok == '#') && !qualified)
    {
      /* check for "this" */
      if (t.len == 4 && strncmp(t.text, "this", 4) == 0)
      {
        fprintf(fp, "op");
        matched = 1;
      }

      if (!matched) /* check for parameters */
      {
        ValueInfo *arg = NULL;

        /* check for positional parameter "#n" */
        if (t.tok == '#' && vtkParse_NextToken(&t) && t.tok == TOK_NUMBER)
        {
          j = (int)atol(t.text);
          arg = func->Parameters[j];
        }
        else
        {
          for (j = 0; j < func->NumberOfParameters; j++)
          {
            const char *name;
            arg = func->Parameters[j];
            name = arg->Name;
            if (name && strlen(name) == t.len &&
                strncmp(name, t.text, t.len) == 0)
            {
              break;
            }
            arg = NULL;
          }
        }

        if (arg)
        {
          matched = 1;
          if (vtkWrap_IsSpecialObject(arg) && !vtkWrap_IsPointer(arg))
          {
            fprintf(fp, "(*temp%d)", j);
          }
          else
          {
            fprintf(fp, "temp%d", j);
          }
        }
      }

      if (!matched) /* check for class members */
      {
        for (j = 0; j < data->NumberOfItems; j++)
        {
          ItemInfo *item = &data->Items[j];
          const char *name = NULL;
          int is_static = 0;

          if (item->Type == VTK_FUNCTION_INFO)
          {
            /* methods */
            name = data->Functions[item->Index]->Name;
            is_static = data->Functions[item->Index]->IsStatic;
          }
          else if (item->Type == VTK_VARIABLE_INFO)
          {
            /* member variables */
            name = data->Variables[item->Index]->Name;
            is_static = data->Variables[item->Index]->IsStatic;
          }
          else if (item->Type == VTK_CONSTANT_INFO)
          {
            /* enum values and other constants */
            name = data->Constants[item->Index]->Name;
            is_static = 1;
          }

          if (name && strlen(name) == t.len &&
              strncmp(name, t.text, t.len) == 0)
          {
            if (is_static)
            {
              fprintf(fp, "%s::%s", data->Name, name);
            }
            else
            {
              fprintf(fp, "op->%s", name);
            }
            matched = 1;
            break;
          }
        }
      }
    }

    if (!matched)
    {
      fprintf(fp, "%*.*s", (int)t.len, (int)t.len, t.text);
    }

    /* if next character is whitespace, add a space */
    if (vtkParse_CharType(t.text[t.len], CPRE_WHITE))
    {
      fprintf(fp, " ");
    }

    /* check whether the next identifier is qualified */
    qualified = (t.tok == TOK_SCOPE ||
                 t.tok == TOK_ARROW ||
                 t.tok == '.');
  }
  while (vtkParse_NextToken(&t));
}